Capture dynamic version TTL for all configurations

build.gradle

allprojects { p ->
    rootProject.buildScan.buildFinished {
        def field = getAccessibleField(org.gradle.api.internal.artifacts.ivyservice.resolutionstrategy.DefaultCachePolicy, "keepDynamicVersionsFor")
        p.configurations.each { config ->
            rootProject.buildScan.value "${p.name}.${config.name}.keepDynamicVersionsFor", "${field.get(config.resolutionStrategy.cachePolicy)/1000}s"
        }
    }
}

def getAccessibleField(Class<?> clazz, String fieldName) {
    for (java.lang.reflect.Field field : clazz.declaredFields) {
        if (field.name == fieldName) {
            field.setAccessible(true)
            return field
        }
    }

    if (clazz.superclass != null) {
        return getAccessibleField(clazz.superclass, fieldName)
    } else {
        throw new RuntimeException("Field '${fieldName}' not found")
    }
}